Just lubed up my first AR build using this video as a guideline. Did I miss any parts that should be oiled?

Charging Handle Track / Top of Charging Handle
Underside of Bolt Carrier
Cam Pins
Bolt Lugs
Bolt body tracks
Gas Rings
Buffer
Trigger + hammer springs





Used this oil:

https://www.amazon.com/gp/product/B0...?ie=UTF8&psc=1